html {
    height: 100%; /* Assure que le HTML prend toute la hauteur */
    scrollbar-gutter: stable; /* Évite le décalage du header entre pages */
  }
  
   body {
     margin: 0;
     min-height: 100vh; /* s'assure que ça couvre toujours la hauteur de l'écran */
     background: linear-gradient(to bottom, #6ba869, #dc5f5f);
     background-attachment: fixed; /* Empêche le dégradé de se répéter en scroll */
     background-repeat: no-repeat;
     background-size: cover;
   }
  
  .container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    align-items: center;
  }
  
   header {
     background-color: rgba(255, 255, 255, 0.8);
     padding: 15px 0;
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
     border-bottom: 2px solid #90c695;
   }
  
  nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  
  nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
   nav ul li a:hover {
     background-color: #f5b7b1;
     color: #000;
   }
  
   .hero {
     text-align: center;
     padding: 80px 20px;
     background-color: rgba(255, 255, 255, 0.7);
     margin-top: 30px;
     border-radius: 15px;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
     border: 2px solid #f5b7b1;
   }
  
  .hero h1 {
    font-size: 3.5em;
    color: #333;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .hero p {
    font-size: 1.3em;
    color: #555;
    max-width: 700px;
    margin: 0 auto 30px;
  }
  
   .hero img {
     width: 200px;
     height: 200px;
     border-radius: 50%;
     object-fit: cover;
     object-position: 50% 0%;
     border: 5px solid #90c695;
     box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
     margin-bottom: 30px;
   }
  
   .button {
     display: inline-block;
     background-color: #dc5f5f;
     color: #fff;
     padding: 12px 25px;
     border-radius: 30px;
     text-decoration: none;
     font-weight: bold;
     transition: background-color 0.3s ease, transform 0.3s ease;
     box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
   }
  
   .button:hover {
     background-color: #dc5f5f;
     transform: translateY(-2px);
   }
  
  main {
    flex-grow: 1; /* Permet au contenu principal de prendre l'espace disponible */
  }
  
   footer {
     text-align: center;
     padding: 20px;
     /* margin-top: 50px; */ /* Supprimé car flex-grow gère l'espacement */
     background-color: rgba(255, 255, 255, 0.8);
     border-top: 2px solid #90c695;
     color: #555;
   }
  
  .button-image {
    display: inline-flex;
    gap: 10px;
    background-color: #dc5f5f;
    color: #fff;
    padding: 12px 25px;
    border-radius: 15px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
    border: none;
    cursor: pointer;
  }
  
  .button-image img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    border-radius: 50%;
  }
  
  .button-image:hover {
    background-color: #6ba869;
    transform: translateY(-2px);
  }